detection period: 2021-05-12 00:00-23:59 UTC
total number of suspected botnet IPs: 27981
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25864
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:
Rank | Network | # of suspected botnet IPs |
---|---|---|
1 | TencentCloud | 1998 |
2 | ALISOFT | 687 |
3 | TENCENT-CN | 678 |
4 | DIGITALOCEAN-192-241-128-0 | 675 |
5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 578 |
6 | VNPT-VN | 565 |
7 | VIETTEL-VN | 455 |
8 | Baidu | 388 |
9 | HINET-NET | 372 |
10 | CHINANET-SD | 268 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
Rank | Country/Region | # of suspected botnet IPs |
---|---|---|
1 | China | 7595 |
2 | United States | 3819 |
3 | Russian Federation | 1598 |
4 | India | 1565 |
5 | Viet Nam | 1498 |
6 | Brazil | 1331 |
7 | Thailand | 641 |
8 | European Union | 596 |
9 | Indonesia | 571 |
10 | Mexico | 549 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 155600 |
2 | 1039 | 51739 |
3 | 345 | 46976 |
4 | 3306 | 46618 |
5 | 600 | 45963 |
6 | 22 | 44922 |
7 | 1139 | 38115 |
8 | 30805 | 26520 |
9 | 1433 | 25536 |
10 | 23 | 22920 |
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